<sect1 id="editing-selections">
  <title>Editing Cells Using the Selection</title>
  
  <para>There are various ways of using the selection to ease the
    edition of the cells in the spreadsheet. </para>
  
  <para>For instance, given a selection of cells (contiguous, or
    non-contiguous), data can be entered.  The <keycap>Enter</keycap> key will accept
    the data and move the cursor to the next cell in the selection
     down the selection.  The <keycap>tab</keycap> key will move the
    cursor to the rightmost cell (or it will scroll if you have
    reached the edge of the selection).</para>
  
  <para><keycombo><keycap>Control</keycap><keycap>Enter</keycap></keycombo>
    does the inverse of <keycap>Enter</keycap> (it moves to the
    previous cell in the selection, moving towards the top), while
    <keycombo><keycap>Ctrl</keycap><keycap>Tab</keycap></keycombo>
    moves the cursor to the left.</para>

  <sect2 id="simple-selections">
    <title>Simple Selections</title>
    
    <para>The active cell is indicated by a dark double line with a small
      square in the bottom right corner. The active cell is the the one 
      that is currently in focus and will take any input for the keyboard.</para>
    
    
    <figure id="activecell">
      <title>An Active cell</title>
      <screenshot>
	<graphic fileref="figures/selection-2.png" format="png"></graphic>
      </screenshot>
    </figure>
    

    <para>To make a cell become the active selected cell, simply move the white-cross cursor
      over the cell and press the <mousebutton>MB1</mousebutton>.</para> 
    
    <figure id="activecellcursor">
      <title>The active cell with the cursor</title>
      <screenshot>
	<graphic fileref="figures/selection-1.png" format="png"></graphic>
      </screenshot>
    </figure>   
  </sect2>
  
  <sect2 id="selecting-multiple-cells">
    <title>Selecting Multiple Cells</title>
    
    <para>A selection of multiple cells is indicated by a dark double line around
      the extents of the selection. The top-left cell appears much like a single
      selected cell while the rest of the selection is the inverse color.</para>
    
    <figure id="multicellselect">
      <title>A multi-cell selection</title>
      <screenshot>
	<graphic fileref="figures/selection-3.png" format="png"></graphic>
      </screenshot>
    </figure>
    
    <para>To make a continuous selection of cells, click on the cell with
      the white_cross cursor and drag the extents of the selection until
      it comprises the area you wish to select, and release.</para>
    
    <figure id="multicellsect2">
      <title>Multiple cells being selected with the cursor</title> 
      <screenshot>
        <graphic fileref="figures/selection-4.png" format="png"></graphic>
      </screenshot>
    </figure>

  </sect2>
  
  <sect2 id="discontinuous-selections">
    <title>Discontinuous Selections</title>
    
    <para>To select a set of cells that may not be continuous,
      use <keycombo><keycap>ctrl</keycap></keycombo>+<mousebutton>MB1</mousebutton> and 
	drag to argument an existing selection. 
	The cells can be added individually or as parts of other selections.</para>
    
    <figure id="dicontselect">
      <title>A discontinuous selection of cells.</title>
      <screenshot>
	<graphic fileref="figures/selection-5.png" format="png"></graphic>
      </screenshot>
    </figure> 
  </sect2>
  
  
 <sect2 id="keyboard-shortcuts">
    <title>Keyboard Shortcuts</title>
    
    <para>The quickest way to make large selections, especially when your 
      already using the keyboard is to just use the keyboard selection tools.
      The basic use is to press <keycombo><keycap>Shift</keycap><keycap>arrow</keycap></keycombo>
      keys to make a new selection.</para>
    
    <para>To select an entire row of cells, press Shift+space. This is equivalent 
      to pressing the row label button on the left side of the sheet.</para> 
    
 <figure id="selectrow">
      <title>An entire row being selected</title>
      <screenshot>
	<graphic fileref="figures/selection-8.png" format="png"></graphic>
      </screenshot>
    </figure>
    
    
    <para>To select an entire column of cells, press <keycombo><keycap>Ctrl</keycap><keycap>
	  Space</keycap></keycombo>.
      This is equivalent 
      to pressing the column label button on the top of the sheet.</para>

    <figure id="selectcol">
      <title>An entire column being selected</title>
      <screenshot>
	<graphic fileref="figures/selection-9.png" format="png"></graphic>
      </screenshot>
    </figure>
    
    <para>To select the entire sheet, press 
      <keycombo><keycap>Ctrl</keycap><keycap>A</keycap></keycombo>. This is equivalent  to
      pressing the button in the top left corner of the sheet.</para>
    
    <figure id="selectall">
      <title>The entire worksheet being selected</title>
      <screenshot>
	<graphic fileref="figures/selection-10.png" format="png"></graphic>
      </screenshot>
    </figure>
    
    
    <itemizedlist>
      <listitem>
	<para>
	  <keycombo><keycap>Shift</keycap><keycap>Arrow</keycap></keycombo>
	  : Define selection with cursor keys.
       </para>
     </listitem>

      <listitem>
	<para>
	  <keycombo><keycap>Ctrl</keycap><keycap>Arrow</keycap></keycombo>
	  : Jump to the end of the current region.
        </para>
      </listitem>
      
      <listitem>
	<para>
	  <keycombo><keycap>Alt</keycap><keycap>Space</keycap></keycombo>
	  : Select current row. 
       </para> 
     </listitem>

      <listitem>
	<para>
	  <keycombo><keycap>Ctrl</keycap><keycap>Space</keycap></keycombo>
	  : Select current column.
        </para>
      </listitem>
      
      <listitem>
	<para>
	  <keycombo><keycap>Ctrl</keycap><keycap>A</keycap></keycombo>
	  : Select the entire sheet.
        </para>
      </listitem>
      
      <listitem>
	<para>
	  <keycombo><keycap>Ctrl</keycap><keycap>/</keycap></keycombo>
	  : Select the array formula arround the current edit position.
        </para>
      </listitem>

    </itemizedlist>
  </sect2>
  
  <sect2 id="filling-region-with-same-text-or-value">
    <title>Filling a Region With the Same Text or Value</title>
    <para> For a set of cells that need to get filled with the same value,
      the easiest way is to make a selection using one of the above mentioned, then
      enter the value into one of the cells like normal, but instead of pressing
      enter, press <keycombo><keycap>Ctrl</keycap><keycap>enter</keycap></keycombo>
      instead. The selection will fill with the value entered 
      for that cell.</para>
    
    <para>For cases where you want to fill with number sequences, or dates, or other 
      sorted data, you may want to use the autofill option.</para>
    
    
    <figure id="cellselectfillbefore">
      <title>A selection of several cells</title>
      <screenshot>
	<graphic fileref="figures/selection-6.png" format="png"></graphic>
      </screenshot>
    </figure>  
    
    <figure id="cellselectfillafter">
      <title>A selection of several cells, filled with the same values</title>
      <screenshot>
	<graphic fileref="figures/selection-7.png" format="png"></graphic> 
      </screenshot>
    </figure>
    
  </sect2>
  
</sect1>

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